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Finding the Fourth Proportional to 9,019.50, 13,529.97 and 2,863.50

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Solution

The fourth proportional to 9,019.50, 13,529.97 and 2,863.50 is: 4,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.50 : 13,529.97 = 2,863.50 : x
  2. Step 2: Convert to fraction form
    9,019.50/13,529.97 = 2,863.50/x
  3. Step 3: Cross multiply
    9,019.50x = 13,529.97 × 2,863.50
  4. Step 4: Simplify right side
    9,019.50x = 38,743,069.10
  5. Step 5: Solve for x
    x = 38,743,069.10/9,019.50
  6. Step 6: Final answer
    x = 4,295.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.